SD card has lost its partition table

Allen Lin allen_lin at
Tue May 6 04:53:10 CEST 2008

Hi Clare,

I am Allen from Openmoko Testing Team. Could you describe more specific 
like what device you are using? GTA01? GTA02? What image inside? What do 
you mean original SD card? That means you have another one to boot? Thanks!


clare wrote:
> Hi Cel,
> Just repeating the story as it happened: I was using 080422 monster 
> booted from the SD card, with a Nokia battery in the train reading 
> html files with "links". On approaching end of journey, I went to the 
> little section power management (?) and selected "dim then lock." I 
> had previously set gsm and bluetooth to off. Well I probably left it a 
> bit too long, as it was dead when I came back to it. So took out the 
> battery and charged that up. But subsequently it won't boot from SD 
> card, just circles round and round. saying each time as far as I can tell
> Bad MBR sector signature 0.0000
> Bad partition,
> bad magic number
> cfdisk says it has 2G of free space.
> I ran dd on it and there seems to be quite a lot of data on it otherwise.
> I put in the original SD card and was immediately able to boot from that,
> as it had a filesystem I think one of yours dated Nov 30, which does 
> phone calls very well.
> It worries me though that the DIM then LOCK should have had such a 
> dramatic effect. What else might have caused loss of partition table?
> thanks
> clare

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